HD023798
  • HD23798 in R.G.Gratton+,AAP, 354, 169, 2000

    • taken from 6 paper(s):

    /R.G.Gratton et al.(2000)/ /J.P.Fulbright and J. A. Johnson(2003)/ /J.Simmerer et al.(2004)/ /B.W.Carney et al.(2003)/ /I.U.Roederer et al.(2010)/ /H.Jonsson et al.(2011)/

    R.G.Gratton et al.,AAP, 354, 169, 2000 (A0049,ADS)

    Mixing along the red giant branch in metal-poor field stars


    Stellar Parameters

    Teff : 4487 log g : 1.07 vturb : 1.69

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    Li IN/A......0.00......Li I
    CN/A...-0.81.........C
    ON/A...0.32.........O
    [O I]N/A...0.42.........[O I]
    Fe IN/A-2.03............Fe I

    Isotopic Ratio

    12C/13C 5

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    1995-05 N/A CESESO 50000 80-150 N/A N/A
    1995-11 N/A CESESO 50000 80-150 N/A N/A
    1995-11 N/A MCDONALD 60000 70-100 N/A N/A
    Galactic Longitude (l) : 229.25 Galactic Latitude (b) : -51.72 Declination : -305113 Right Ascension : 034645.7

    J.P.Fulbright et al.,ApJ, 595, 1154, 2003 (A0074,ADS)

    Oxygen Abundances in Metal-poor Stars


    Stellar Parameters

    Teff : 4375 log g : 1.12 vturb : 2.2

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    O IN/A...0.75+-0.137.41+-0.11...O I
    FeN/A-2.03............Fe
    Fe IN/A......5.14+-0.08......Fe I
    Fe IIN/A......5.49+-0.11......Fe II

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2001-09-30 N/A GECKOCFHT 130000 200 900 N/A
    2002-01-07 N/A MAYALLKPNO 40000 80 900 N/A
    Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

    J.Simmerer et al.,ApJ, 617, 1091, 2004 (A0131,ADS)

    The Rise of the s-Process in the Galaxy


    Stellar Parameters

    Teff : 4450 log g : 1.06 vturb : 2.50

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    CN/A...-0.55.........C
    Fe I7-2.26............Fe I
    Fe II7-2.17............Fe II
    La IIN/A......-1.01+-0.12......La II
    Eu IIN/A......-1.36+-0.05......Eu II

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    N/A MCDONALD 60000 100 N/A N/A
    Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

    B.W.Carney et al.,AJ, 125, 293, 2003 (A0138,ADS)

    Spectroscopic Binaries, Velocity Jitter, and Rotation in Field Metal-poor Red Giant and Red Horizontal-Branch Stars


    Stellar Parameters

    Teff : 4310 log g : 1.0

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    FeN/A-1.90............Fe

    Binary Parameters

    Vrad 89.43

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    N/A 2446362.96783 TILLINGHAST N/A N/A N/A 89.68+-0.42
    N/A 2446401.78900 TILLINGHAST N/A N/A N/A 88.83+-0.41
    N/A 2446787.71699 TILLINGHAST N/A N/A N/A 89.75+-0.33
    N/A 2447136.79971 TILLINGHAST N/A N/A N/A 89.75+-0.39
    N/A 2447460.91417 TILLINGHAST N/A N/A N/A 90.15+-0.36
    N/A 2447843.79947 TILLINGHAST N/A N/A N/A 89.43+-0.38
    N/A 2448876.02775 TILLINGHAST N/A N/A N/A 89.21+-0.39
    N/A 2449374.63523 MMT N/A N/A N/A 90.44+-0.50
    N/A 2450799.72249 MMT N/A N/A N/A 88.32+-0.36
    N/A 2450822.67207 MMT N/A N/A N/A 88.76+-0.38
    Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : -305113 Right Ascension : 034645.7

    I.U.Roederer et al.,ApJ, 724, 975, 2010 (A0243,ADS)

    THE UBIQUITY OF THE RAPID NEUTRON-CAPTURE PROCESS


    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    FeN/A-2.26............Fe
    Zn IN/A......2.39......Zn I
    Y IIN/A......-0.19......Y II
    Pb IN/A......-0.21......Pb I

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    N/A MCDONALD 60000 100 N/A N/A
    Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

    H.Jonsson et al.,AAP, 530, A144, 2011 (A0256,ADS)

    Sulphur abundances in halo giants from the [SI] line at 1082 nm and the SI triplet around 1045 nm


    Stellar Parameters

    Teff : 4375+-82 log g : 1.12+-0.2 vturb : 2.20+-0.5

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    SiN/A......5.62......Si
    S IN/A......5.65+-0.04......S I
    [S I]N/A......5.48......[S I]
    FeN/A-2.03+-0.13............Fe

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2007-10-31 N/A VLTCRIRES 80000 500-520 1680 N/A
    Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : -305113.329 Right Ascension : 034645.7217